Mining engineers in charge of rescuing trapped Peruvian miners say they don't know how long it will take to pull them out.<br/> <br />But they say all nine are in good health, 6 days after they were trapped by a rockfall and collapsed shaft.<br/> <br />Rescuers at the Cabeza de Negro mine, some 300 kilometres south of the Peruvian capital Lima, are feeding the miners through a hose, and are using the same pipe to communicate with the men.<br/> <br />The miners are aged between 22 and 59<br/> <br />Nick Rowlands, Reuters.
